Ramanujan's First Letter to Hardy

Date: January 16, 1913 • Location: Cambridge, United Kingdom

Indian mathematician Srinivasa Ramanujan writes his first letter to G. H. Hardy at Cambridge, stating without proof various formulae involving integrals, infinite series, and continued fractions, beginning a long correspondence between the two as well as widespread recognition of Ramanujan's results.

Srinivasa Ramanujan Iyengar was an Indian mathematician who worked during the early 20th century. He made substantial contributions to mathematical analysis, number theory, infinite series, and continued fractions, including solutions to mathematical problems then considered unsolvable.